 /*******************************************************************************
  * Copyright (c) 2006 IBM Corporation and others.
  * All rights reserved. This program and the accompanying materials
  * are made available under the terms of the Eclipse Public License v1.0
  * which accompanies this distribution, and is available at
  * http://www.eclipse.org/legal/epl-v10.html
  *
  * Contributors:
  * IBM Corporation - initial API and implementation
  *******************************************************************************/
 package org.eclipse.ui.internal.browser;

 import java.net.MalformedURLException ;
 import java.net.URL ;

 import org.eclipse.core.commands.AbstractHandler;
 import org.eclipse.core.commands.ExecutionEvent;
 import org.eclipse.core.commands.ExecutionException;
 import org.eclipse.ui.PartInitException;
 import org.eclipse.ui.PlatformUI;
 import org.eclipse.ui.browser.IWebBrowser;
 import org.eclipse.ui.browser.IWorkbenchBrowserSupport;

 public class OpenBrowserHandler extends AbstractHandler {

     private static final String PARAM_ID_URL = "url"; //$NON-NLS-1$

     private static final String PARAM_ID_BROWSER_ID = "browserId"; //$NON-NLS-1$

     private static final String PARAM_ID_NAME = "name"; //$NON-NLS-1$

     private static final String PARAM_ID_TOOLTIP = "tooltip"; //$NON-NLS-1$

     public Object execute(ExecutionEvent event) throws ExecutionException {

         String urlText = event.getParameter(PARAM_ID_URL);
         URL url;
         if (urlText == null) {
             url = null;
         } else {
             try {
                 url = new URL (urlText);
             } catch (MalformedURLException ex) {
                 throw new ExecutionException("malformed URL:" + urlText, ex); //$NON-NLS-1$
 }
         }

         String browserId = event.getParameter(PARAM_ID_BROWSER_ID);
         String name = event.getParameter(PARAM_ID_NAME);
         String tooltip = event.getParameter(PARAM_ID_TOOLTIP);

         try {
             IWorkbenchBrowserSupport browserSupport = PlatformUI.getWorkbench()
                     .getBrowserSupport();
             IWebBrowser browser = browserSupport.createBrowser(
                     IWorkbenchBrowserSupport.LOCATION_BAR
                             | IWorkbenchBrowserSupport.NAVIGATION_BAR,
                     browserId, name, tooltip);
             browser.openURL(url);
         } catch (PartInitException ex) {
             throw new ExecutionException("error opening browser", ex); //$NON-NLS-1$
 }

         return null;
     }
 }

